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嗨我試圖將一個ListView綁定到Linq，並使其對集合中的更改作出反應。將ListView綁定到ObservableCollection和Linq
public partial class MainWindow
{
readonly ObservableCollection<Person> _persons = new ObservableCollection<Person>();
readonly Team _team1 = new Team { Name = "Team 1" };
readonly Team _team2 = new Team { Name = "Team 2" };
readonly Team _team3 = new Team { Name = "Team 3" };
public MainWindow()
{
InitializeComponent();
_persons.Add(new Person {Name = "James", Team = _team1});
_persons.Add(new Person {Name = "John", Team = _team2});
_persons.Add(new Person {Name = "Peter", Team = _team3});
_persons.Add(new Person {Name = "Jack", Team = _team1});
_persons.Add(new Person {Name = "Jones", Team = _team2});
_persons.Add(new Person {Name = "Bauer", Team = _team3});
_persons.Add(new Person {Name = "Bo", Team = _team1});
_persons.Add(new Person {Name = "Ben", Team = _team2});
_persons.Add(new Person {Name = "Henry", Team = _team3});
TeamList1.ItemsSource = from person in _persons where person.Team == _team1 select person;
TeamList2.ItemsSource = from person in _persons where person.Team == _team2 select person;
TeamList3.ItemsSource = from person in _persons where person.Team == _team3 select person;
}
private void ButtonClick(object sender, RoutedEventArgs e)
{
_persons[0].Team = _team2;
}
}
我的模型
public class Person : INotifyPropertyChanged
{
private string _name;
public String Name
{
get { return _name; }
set { _name = value; NotifyPropertyChanged("Name"); }
}
private Team _team;
public Team Team
{
get { return _team; }
set { _team = value; NotifyPropertyChanged("Team"); }
}
public override string ToString()
{
return string.Format("Name {0}\t{1}", Name, Team);
}
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyPropertyChanged(String info)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(info));
}
}
}
public class Team : INotifyPropertyChanged
{
private string _name;
public string Name
{
get { return _name; }
set { _name = value; NotifyPropertyChanged("Name"); }
}
public override string ToString()
{
return Name;
}
public event PropertyChangedEventHandler PropertyChanged;
private void NotifyPropertyChanged(String info)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(info));
}
}
}
而XAML中
<Grid>
<StackPanel Orientation="Vertical">
<StackPanel>
<ListView Name="TeamList1"/>
<ListView Name="TeamList2"/>
<ListView Name="TeamList3"/>
</StackPanel>
<Button Content="Click Me" Click="ButtonClick"/>
</StackPanel>
</Grid>
當ButtonClick叫我想我的ListView以反映它的_persons所做的更改。